434011203243 has 80 divisors (see below), whose sum is σ = 689558528736. Its totient is φ = 271101219840.

The previous prime is 434011203239. The next prime is 434011203281. The reversal of 434011203243 is 342302110434.

434011203243 is a `hidden beast` number, since 4 + 3 + 401 + 12 + 0 + 3 + 243 = 666.

It is not a de Polignac number, because 434011203243 - 2² = 434011203239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (434011203293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 508805205 + ... + 508806057.

Almost surely, 2^434011203243 is an apocalyptic number.

434011203243 is a deficient number, since it is larger than the sum of its proper divisors (255547325493).

434011203243 is a wasteful number, since it uses less digits than its factorization.

434011203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 434011203243 its reverse (342302110434), we get a palindrome (776313313677).

The spelling of 434011203243 in words is "four hundred thirty-four billion, eleven million, two hundred three thousand, two hundred forty-three".